• ASME B18.2.5M : 2013

    Withdrawn A Withdrawn Standard is one, which is removed from sale, and its unique number can no longer be used. The Standard can be withdrawn and not replaced, or it can be withdrawn and replaced by a Standard with a different number.

    METRIC 12-POINT FLANGE HEAD SCREWS

    Available format(s):  Hardcopy, PDF

    Withdrawn date:  08-01-2024

    Language(s):  English

    Published date:  01-01-2013

    Publisher:  American Society of Mechanical Engineers

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    Table of Contents - (Show below) - (Hide below)

    Foreword
    Committee Roster
    Correspondence With the B18 Committee
    1 Scope
    2 Comparisons With ISO Standards
    3 Referenced Standards
    4 Terminology
    5 Dimensions
    6 Top of Head
    7 Head Height
    8 Wrenching Height
    9 Gaging of 12-Point Flange Head
    10 Position of Head
    11 Flange
    12 Bearing Surface
    13 Fillet
    14 Body Diameter
    15 Length
    16 Points
    17 Straightness
    18 Threads
    19 Length Measurements
    20 Materials and Mechanical Properties
    21 Identification Symbols
    22 Finish
    23 Workmanship
    24 Inspection and Quality Assurance
    25 Clearance Holes
    26 Designation

    Abstract - (Show below) - (Hide below)

    Describes the complete dimensional and general data for coarse thread metric series 12-point flange screws recognized as American National Standard.

    General Product Information - (Show below) - (Hide below)

    Document Type Standard
    Publisher American Society of Mechanical Engineers
    Status Withdrawn
    Supersedes

    Standards Referenced By This Book - (Show below) - (Hide below)

    ASTM F 2882/F2882M : 2017 : REDLINE Standard Specification for Screws, Alloy Steel, Heat Treated, 170 ksi and 1170 MPa Minimum Tensile Strength (Inch and Metric)
    ASTM F 2882 : 2012 Standard Specification for Screws, Alloy Steel, Heat Treated, 170 ksi Minimum Tensile Strength

    Standards Referencing This Book - (Show below) - (Hide below)

    ISO 3506-1:2009 Mechanical properties of corrosion-resistant stainless steel fasteners Part 1: Bolts, screws and studs
    ASME Y14.5 : 2009 DIMENSIONING AND TOLERANCING
    ISO 225:2010 Fasteners Bolts, screws, studs and nuts Symbols and descriptions of dimensions
    ASME B18.24 : 2015 PART IDENTIFYING NUMBER (PIN) CODE SYSTEM STANDARD FOR B18 FASTENER PRODUCTS
    ASME B18.18 : 2017 QUALITY ASSURANCE FOR FASTENERS
    ISO 898-1:2013 Mechanical properties of fasteners made of carbon steel and alloy steel — Part 1: Bolts, screws and studs with specified property classes — Coarse thread and fine pitch thread
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